CaratHunter
Plans
Round|Natural|GIA

0.90ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6552741906

Certificate GIA 6552741906

Diamond specifications and retailer prices

From £1,645 GBP
$2,204 USD
As of October 29, 2026
Save £3,760 GBP (70%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £5,405 GBP at Moon Ocean · As of October 30, 2026
View at Moon Ocean

About this 0.9ct natural round diamond

This 0.9ct natural round sits in the just-under-one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552741906. Listed at 26 retailers as of October 29, 2026, with prices from £1,645 to £5,405, a £3,760 spread on the same certified stone. Moon Ocean lists it at £5,405. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.90
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6552741906
Dimensions6.11 × 6.16 × 3.84 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.11 mm6.16 mm0.90 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552741906
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £5,405 GBP|Low: £1,645 GBP|High: £5,460 GBP|Avg: £2,444 GBP|-0.9%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 10£1,645 GBP
Retailer 6£1,650 GBP
Retailer 9£1,717 GBP
Retailer 5£1,758 GBP
Retailer 7£1,973 GBP
Retailer 8£2,046 GBP
Retailer 3£2,213 GBP
Retailer 2£2,450 GBP
Retailer 4£3,668 GBP
Moon Ocean£5,405 GBP

41 data points across 10 retailers

26 retailers£1,645 GBP to £5,405 GBP

B+
Cheapest Retailer
-
£1,645 GBP
$2,204 USD
B+
Retailer 2
-
£1,650 GBP
$2,211 USD
View
Final sale: no returns
B+
Retailer 3
-
£1,655 GBP
$2,217 USD
View
B+
Retailer 4
-
£1,704 GBP
$2,283 USD
View
Retailer 5
-
£1,717 GBP
$2,300 USD
View
Price last confirmed 36 days ago
B+
Retailer 6
-
£1,758 GBP
$2,356 USD
View
B+
Retailer 7
-
£1,779 GBP
$2,384 USD
View
B+
Retailer 8
-
£1,887 GBP
$2,528 USD
View
B+
Retailer 9
-
£1,887 GBP
$2,528 USD
View
B+
Retailer 10
-
£1,918 GBP
$2,570 USD
View
B+
Retailer 11
-
£1,973 GBP
$2,644 USD
View
B+
Retailer 12
-
£2,046 GBP
$2,741 USD
View
B+
Retailer 13
-
£2,051 GBP
$2,748 USD
View
B+
Retailer 14
-
£2,061 GBP
CA$3,836 CAD
View
B+
Retailer 15
-
£2,164 GBP
$2,900 USD
View
B+
Retailer 16
-
£2,164 GBP
$2,900 USD
View
B+
Retailer 17
-
£2,177 GBP
$2,917 USD
View
B+
Retailer 18
-
£2,213 GBP
View
B+
Retailer 19
-
£2,232 GBP
$2,990 USD
View
B
Retailer 20
-
£2,386 GBP
$3,197 USD
View
B
Retailer 21
-
£2,450 GBP
€3,126 EUR
View
B
Retailer 22
-
£2,523 GBP
$3,380 USD
View
B
Retailer 23
-
£3,000 GBP
$4,019 USD
View
B
Retailer 24
-
£3,668 GBP
View
B
Retailer 25
-
£4,353 GBP
$5,833 USD
View
Most Expensive
B
Moon Ocean
NVN-8BB9A1DFA-906 · Oct 30
£5,405 GBP
View
25 more retailers have this diamond
Prices start from £1,645 GBPSave up to £3,760 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
0.90ct Round
£1,645 GBP